ethirteen Helix Race Alloy espec Cranks for ISIS Spindle - 155mm, 26mm Offset, Black Code:CS4EAA-100 stamped steel cogs held together

stamped steel cogs held together with high-strength stainless steel pins

The clamp jaws are nominally 4 inches (10cm) wide

And with integrated Lezyne lights (500 lumens front + brake alert rear)

and home floors

ethirteen Helix Race Alloy espec Cranks for ISIS Spindle - 155mm, 26mm Offset, Black Code:CS4EAA-100 stamped steel cogs held togetherThe ethirteen Helix Race Alloy espec Cranks are a premium, high strength alternative to carbon fiber, engineered specifically for high torque ISIS spindle e bike motors. Forged and precision CNC sculpted from 6066 T6 aluminum, these ultra short 155mm crank arms maximize ground clearance on modern low BB geometries. Featuring a 26. 5mm offset for a balanced Q factor, integrated alloy self extractors, and impact absorbing crank boots, they deliver